362 lines
14 KiB
Python
362 lines
14 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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The Plex Companion master python file
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"""
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from logging import getLogger
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from threading import Thread
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from queue import Empty
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from socket import SHUT_RDWR
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from xbmc import executebuiltin
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from .plexbmchelper import listener, plexgdm, subscribers, httppersist
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from .plex_api import API
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from . import utils
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from . import plex_functions as PF
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from . import playlist_func as PL
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from . import playback
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from . import json_rpc as js
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from . import playqueue as PQ
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from . import variables as v
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from . import backgroundthread
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from . import app
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from . import exceptions
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###############################################################################
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LOG = getLogger('PLEX.plex_companion')
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###############################################################################
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def update_playqueue_from_PMS(playqueue,
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playqueue_id=None,
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repeat=None,
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offset=None,
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transient_token=None,
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start_plex_id=None):
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"""
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Completely updates the Kodi playqueue with the new Plex playqueue. Pass
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in playqueue_id if we need to fetch a new playqueue
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repeat = 0, 1, 2
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offset = time offset in Plextime (milliseconds)
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"""
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LOG.info('New playqueue %s received from Plex companion with offset '
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'%s, repeat %s, start_plex_id %s',
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playqueue_id, offset, repeat, start_plex_id)
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# Safe transient token from being deleted
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if transient_token is None:
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transient_token = playqueue.plex_transient_token
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with app.APP.lock_playqueues:
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try:
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xml = PL.get_PMS_playlist(playqueue, playqueue_id)
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except exceptions.PlaylistError:
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LOG.error('Could now download playqueue %s', playqueue_id)
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return
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if playqueue.id == playqueue_id:
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# This seems to be happening ONLY if a Plex Companion device
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# reconnects and Kodi is already playing something - silly, really
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# For all other cases, a new playqueue is generated by Plex
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LOG.debug('Update for existing playqueue detected')
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return
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playqueue.clear()
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# Get new metadata for the playqueue first
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try:
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PL.get_playlist_details_from_xml(playqueue, xml)
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except exceptions.PlaylistError:
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LOG.error('Could not get playqueue ID %s', playqueue_id)
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return
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playqueue.repeat = 0 if not repeat else int(repeat)
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playqueue.plex_transient_token = transient_token
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playback.play_xml(playqueue,
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xml,
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offset=offset,
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start_plex_id=start_plex_id)
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class PlexCompanion(backgroundthread.KillableThread):
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"""
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Plex Companion monitoring class. Invoke only once
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"""
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def __init__(self):
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LOG.info("----===## Starting PlexCompanion ##===----")
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# Init Plex Companion queue
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# Start GDM for server/client discovery
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self.client = plexgdm.plexgdm()
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self.client.clientDetails()
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LOG.debug("Registration string is:\n%s", self.client.getClientDetails())
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self.httpd = False
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self.subscription_manager = None
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super(PlexCompanion, self).__init__()
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@staticmethod
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def _process_alexa(data):
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if 'key' not in data or 'containerKey' not in data:
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LOG.error('Received malformed Alexa data: %s', data)
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return
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xml = PF.GetPlexMetadata(data['key'])
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try:
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xml[0].attrib
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except (AttributeError, IndexError, TypeError):
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LOG.error('Could not download Plex metadata for: %s', data)
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return
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api = API(xml[0])
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if api.plex_type == v.PLEX_TYPE_ALBUM:
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LOG.debug('Plex music album detected')
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PQ.init_playqueue_from_plex_children(
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api.plex_id,
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transient_token=data.get('token'))
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elif data['containerKey'].startswith('/playQueues/'):
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_, container_key, _ = PF.ParseContainerKey(data['containerKey'])
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xml = PF.DownloadChunks('{server}/playQueues/%s' % container_key)
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if xml is None:
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# "Play error"
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utils.dialog('notification',
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utils.lang(29999),
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utils.lang(30128),
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icon='{error}')
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return
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playqueue = PQ.get_playqueue_from_type(
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v.KODI_PLAYLIST_TYPE_FROM_PLEX_TYPE[api.plex_type])
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playqueue.clear()
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PL.get_playlist_details_from_xml(playqueue, xml)
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playqueue.plex_transient_token = data.get('token')
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if data.get('offset') != '0':
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offset = float(data['offset']) / 1000.0
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else:
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offset = None
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playback.play_xml(playqueue, xml, offset)
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else:
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app.CONN.plex_transient_token = data.get('token')
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playback.playback_triage(api.plex_id,
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api.plex_type,
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resolve=False,
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resume=data.get('offset') not in ('0', None))
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@staticmethod
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def _process_node(data):
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"""
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E.g. watch later initiated by Companion. Basically navigating Plex
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"""
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app.CONN.plex_transient_token = data.get('key')
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params = {
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'mode': 'plex_node',
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'key': f"{{server}}{data.get('key')}",
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'offset': data.get('offset')
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}
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handle = f'RunPlugin(plugin://{utils.extend_url(v.ADDON_ID, params)})'
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executebuiltin(handle)
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@staticmethod
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def _process_playlist(data):
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if 'containerKey' not in data:
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LOG.error('Received malformed playlist data: %s', data)
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return
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# Get the playqueue ID
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_, container_key, query = PF.ParseContainerKey(data['containerKey'])
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try:
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playqueue = PQ.get_playqueue_from_type(
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v.KODI_PLAYLIST_TYPE_FROM_PLEX_TYPE[data['type']])
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except KeyError:
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# E.g. Plex web does not supply the media type
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# Still need to figure out the type (video vs. music vs. pix)
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xml = PF.GetPlexMetadata(data['key'])
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try:
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xml[0].attrib
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except (AttributeError, IndexError, TypeError):
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LOG.error('Could not download Plex metadata')
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return
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api = API(xml[0])
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playqueue = PQ.get_playqueue_from_type(
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v.KODI_PLAYLIST_TYPE_FROM_PLEX_TYPE[api.plex_type])
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key = data.get('key')
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if key:
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_, key, _ = PF.ParseContainerKey(key)
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update_playqueue_from_PMS(playqueue,
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playqueue_id=container_key,
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repeat=query.get('repeat'),
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offset=utils.cast(int, data.get('offset')),
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transient_token=data.get('token'),
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start_plex_id=key)
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@staticmethod
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def _process_streams(data):
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"""
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Plex Companion client adjusted audio or subtitle stream
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"""
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if 'type' not in data:
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LOG.error('Received malformed stream data: %s', data)
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return
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playqueue = PQ.get_playqueue_from_type(
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v.KODI_PLAYLIST_TYPE_FROM_PLEX_TYPE[data['type']])
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pos = js.get_position(playqueue.playlistid)
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playqueue.items[pos].on_plex_stream_change(data)
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@staticmethod
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def _process_refresh(data):
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"""
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example data: {'playQueueID': '8475', 'commandID': '11'}
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"""
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if 'playQueueID' not in data:
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LOG.error('Received malformed refresh data: %s', data)
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return
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xml = PL.get_pms_playqueue(data['playQueueID'])
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if xml is None:
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return
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if len(xml) == 0:
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LOG.debug('Empty playqueue received - clearing playqueue')
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plex_type = PL.get_plextype_from_xml(xml)
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if plex_type is None:
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return
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playqueue = PQ.get_playqueue_from_type(
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v.KODI_PLAYLIST_TYPE_FROM_PLEX_TYPE[plex_type])
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playqueue.clear()
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return
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playqueue = PQ.get_playqueue_from_type(
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v.KODI_PLAYLIST_TYPE_FROM_PLEX_TYPE[xml[0].attrib['type']])
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update_playqueue_from_PMS(playqueue, data['playQueueID'])
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def _process_tasks(self, task):
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"""
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Processes tasks picked up e.g. by Companion listener, e.g.
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{'action': 'playlist',
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'data': {'address': 'xyz.plex.direct',
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'commandID': '7',
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'containerKey': '/playQueues/6669?own=1&repeat=0&window=200',
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'key': '/library/metadata/220493',
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'machineIdentifier': 'xyz',
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'offset': '0',
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'port': '32400',
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'protocol': 'https',
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'token': 'transient-cd2527d1-0484-48e0-a5f7-f5caa7d591bd',
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'type': 'video'}}
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"""
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LOG.debug('Processing: %s', task)
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data = task['data']
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if task['action'] == 'alexa':
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with app.APP.lock_playqueues:
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self._process_alexa(data)
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elif (task['action'] == 'playlist' and
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data.get('address') == 'node.plexapp.com'):
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self._process_node(data)
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elif task['action'] == 'playlist':
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with app.APP.lock_playqueues:
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self._process_playlist(data)
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elif task['action'] == 'refreshPlayQueue':
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with app.APP.lock_playqueues:
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self._process_refresh(data)
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elif task['action'] == 'setStreams':
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try:
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self._process_streams(data)
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except KeyError:
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pass
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def run(self):
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"""
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Ensure that sockets will be closed no matter what
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"""
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app.APP.register_thread(self)
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try:
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self._run()
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finally:
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try:
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self.httpd.socket.shutdown(SHUT_RDWR)
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except AttributeError:
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pass
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finally:
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try:
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self.httpd.socket.close()
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except AttributeError:
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pass
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app.APP.deregister_thread(self)
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LOG.info("----===## Plex Companion stopped ##===----")
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def _run(self):
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httpd = self.httpd
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# Cache for quicker while loops
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client = self.client
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# Start up instances
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request_mgr = httppersist.RequestMgr()
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subscription_manager = subscribers.SubscriptionMgr(request_mgr,
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app.APP.player)
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self.subscription_manager = subscription_manager
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if utils.settings('plexCompanion') == 'true':
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# Start up httpd
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start_count = 0
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while True:
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try:
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httpd = listener.PKCHTTPServer(
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client,
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subscription_manager,
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('', v.COMPANION_PORT),
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listener.MyHandler)
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httpd.timeout = 10.0
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break
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except Exception:
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LOG.error("Unable to start PlexCompanion. Traceback:")
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import traceback
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LOG.error(traceback.print_exc())
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app.APP.monitor.waitForAbort(3)
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if start_count == 3:
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LOG.error("Error: Unable to start web helper.")
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httpd = False
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break
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start_count += 1
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else:
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LOG.info('User deactivated Plex Companion')
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client.start_all()
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message_count = 0
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if httpd:
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thread = Thread(target=httpd.handle_request)
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while not self.should_cancel():
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# If we are not authorized, sleep
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# Otherwise, we trigger a download which leads to a
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# re-authorizations
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if self.should_suspend():
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if self.wait_while_suspended():
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break
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try:
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message_count += 1
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if httpd:
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if not thread.is_alive():
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# Use threads cause the method will stall
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thread = Thread(target=httpd.handle_request)
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thread.start()
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if message_count == 3000:
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message_count = 0
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if client.check_client_registration():
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LOG.debug('Client is still registered')
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else:
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LOG.debug('Client is no longer registered. Plex '
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'Companion still running on port %s',
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v.COMPANION_PORT)
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client.register_as_client()
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# Get and set servers
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if message_count % 30 == 0:
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subscription_manager.serverlist = client.getServerList()
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subscription_manager.notify()
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if not httpd:
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message_count = 0
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except Exception:
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LOG.warn("Error in loop, continuing anyway. Traceback:")
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import traceback
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LOG.warn(traceback.format_exc())
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# See if there's anything we need to process
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try:
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task = app.APP.companion_queue.get(block=False)
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except Empty:
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pass
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else:
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# Got instructions, process them
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self._process_tasks(task)
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app.APP.companion_queue.task_done()
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# Don't sleep
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continue
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self.sleep(0.05)
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subscription_manager.signal_stop()
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client.stop_all()
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